linux-kernel - [PATCH v3 3/3] dt-bindings: msm/disp: Introduce interconnect bindings for MDSS on SDM845

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Message-Id: <20181122090653.3523-4-skolluku@codeaurora.org>
Date:   Thu, 22 Nov 2018 14:36:53 +0530
From:   Sravanthi Kollukuduru <skolluku@...eaurora.org>
To:     dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org
Cc:     Sravanthi Kollukuduru <skolluku@...eaurora.org>,
        linux-kernel@...r.kernel.org, robdclark@...il.com,
        seanpaul@...omium.org, sean@...rly.run
Subject: [PATCH v3 3/3] dt-bindings: msm/disp: Introduce interconnect bindings for MDSS on SDM845

Add interconnect properties such as interconnect provider specifier
, the edge source and destination ports which are required by the
interconnect API to configure interconnect path for MDSS.

Changes in v2:
	- none

Changes in v3:
	- Remove common property definitions (Rob Herring)

Signed-off-by: Sravanthi Kollukuduru <skolluku@...eaurora.org>
---
 Documentation/devicetree/bindings/display/msm/dpu.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/dpu.txt b/Documentation/devicetree/bindings/display/msm/dpu.txt
index ad2e8830324e..d75b4360a4be 100644
--- a/Documentation/devicetree/bindings/display/msm/dpu.txt
+++ b/Documentation/devicetree/bindings/display/msm/dpu.txt
@@ -28,6 +28,11 @@ Required properties:
 - #address-cells: number of address cells for the MDSS children. Should be 1.
 - #size-cells: Should be 1.
 - ranges: parent bus address space is the same as the child bus address space.
+- interconnects : interconnect path specifier for MDSS according to
+  Documentation/devicetree/bindings/interconnect/interconnect.txt. Should be
+  2 paths corresponding to 2 AXI ports.
+- interconnect-names : MDSS will have 2 port names to differentiate between the
+  2 interconnect paths defined with interconnect specifier.
 
 Optional properties:
 - assigned-clocks: list of clock specifiers for clocks needing rate assignment
@@ -86,6 +91,10 @@ Example:
 		interrupt-controller;
 		#interrupt-cells = <1>;
 
+		interconnects = <&qnoc 38 &qnoc 512>,
+				<&qnoc 39 &qnoc 512>;
+		interconnect-names = "port0", "port1";
+
 		iommus = <&apps_iommu 0>;
 
 		#address-cells = <2>;
-- 
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